This study evaluated outcomes after revision anterior cruciate ligament reconstruction using Achilles tendon allografts with a calcaneal bone block, with or without additional InternalBrace augmentation. Revision ACL reconstruction is often more complex than primary ACL reconstruction because previous surgery may leave widened bone tunnels or bone defects. Achilles tendon allografts with attached bone blocks may help address these defects and allow reconstruction in a single surgical procedure. Participants with MRI-confirmed ACL graft re-tear and clinical knee instability were randomized to undergo revision ACL reconstruction either with InternalBrace augmentation or without InternalBrace augmentation. Clinical outcomes, patient-reported knee function, health-related quality of life, and MRI findings were assessed during 13 months of follow-up. The study was designed as a prospective randomized controlled pilot trial to compare whether additional InternalBrace augmentation improved functional, radiographic, or quality-of-life outcomes after revision ACL surgery.
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International Knee Documentation Committee Score
Timeframe: Preoperative baseline to 13 months after surgery